/Engine/Plugins/Online/OnlineSubsystemUtils/Source/OnlineSubsystemUtils/Classes/CreateSessionCallbackProxy.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(MinimalAPI) class UCreateSessionCallbackProxy : public [UOnlineBlueprintCallProxyBase](API\Runtime\Engine\Net\UOnlineBlueprintCallProxyBase)
FEmptyOnlineDel...
OnFailure
Called when there was an error creating the session.
FEmptyOnlineDel...
OnSuccess
Called when the session was created successfully.